858771080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1\times {\mathrm{757}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 1964736000

約数和(自身を除く): 1105964920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 359, 395, 632, 718, 757, 790, 1436, 1514, 1580, 1795, 2872, 3028, 3160, 3590, 3785, 6056, 7180, 7570, 14360, 15140, 28361, 30280, 56722, 59803, 113444, 119606, 141805, 226888, 239212, 271763, 283610, 299015, 478424, 543526, 567220, 598030, 1087052, 1134440, 1196060, 1358815, 2174104, 2392120, 2717630, 5435260, 10870520, 21469277, 42938554, 85877108, 107346385, 171754216, 214692770, 429385540, 858771080]

約数ペア:

[(1, 858771080), (2, 429385540), (4, 214692770), (5, 171754216), (8, 107346385), (10, 85877108), (20, 42938554), (40, 21469277), (79, 10870520), (158, 5435260), (316, 2717630), (359, 2392120), (395, 2174104), (632, 1358815), (718, 1196060), (757, 1134440), (790, 1087052), (1436, 598030), (1514, 567220), (1580, 543526), (1795, 478424), (2872, 299015), (3028, 283610), (3160, 271763), (3590, 239212), (3785, 226888), (6056, 141805), (7180, 119606), (7570, 113444), (14360, 59803), (15140, 56722), (28361, 30280)]